package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.BitSet;
import java.util.HashMap;

/**
 * controller包的异常处理映射类
 * @author yhl
 * @create 2021-09-17 12:13
 */
@Slf4j
//@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
//@ResponseBody

@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("异常信息：{}, 异常类型：{}", e.getMessage(), e.getClass());

        BindingResult fieldError = e.getBindingResult();
        HashMap<String, String> map = new HashMap<>();
        fieldError.getFieldErrors().forEach((item)->{
            map.put(item.getField(), item.getDefaultMessage());
        });

        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data", map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
//        log.error("异常信息："+ throwable.getMessage() + "异常类型：" + throwable.getClass());
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }

}
